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Best Cities for Solar in New Hampshire

Top 20 ZIP codes ranked by opportunity score. Score combines walkability (foot traffic), population density, median income, and food truck competition.

80–100 Excellent 60–79 Good 40–59 Fair <40 Challenging

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#	ZIP Code	Score	Walkability	Median Income	Solar Installers
#1	ZIP 03870 Pop. 5.1 Thousand	100 Excellent	—	$127,772	0
#2	ZIP 03033 Pop. 5.7 Thousand	100 Excellent	—	$165,942	0
#3	ZIP 03290 Pop. 5.3 Thousand	94 Excellent	—	$108,459	0
#4	ZIP 03753 Pop. 3.5 Thousand	90 Excellent	—	$113,317	0
#5	ZIP 03851 Pop. 4.3 Thousand	88 Excellent	—	$98,750	0
#6	ZIP 03051 Pop. 25 Thousand	87 Excellent	—	$124,973	15
#7	ZIP 03223 Pop. 3.4 Thousand	86 Excellent	—	$109,801	0
#8	ZIP 03257 Pop. 4.5 Thousand	84 Excellent	—	$89,750	0
#9	ZIP 03872 Pop. 3.9 Thousand	82 Excellent	—	$91,563	0
#10	ZIP 03839 Pop. 4.2 Thousand	82 Excellent	—	$86,932	0
#11	ZIP 03258 Pop. 2.7 Thousand	80 Excellent	—	$111,607	0
#12	ZIP 03809 Pop. 3.7 Thousand	80 Excellent	—	$92,278	0
#13	ZIP 03784 Pop. 4.1 Thousand	80 Excellent	—	$84,303	0
#14	ZIP 03811 Pop. 7.2 Thousand	79 Good	—	$144,481	9
#15	ZIP 03862 Pop. 4.6 Thousand	79 Good	7.2 /20	$136,170	0
#16	ZIP 03885 Pop. 7.7 Thousand	79 Good	7.5 /20	$141,438	0
#17	ZIP 03824 Pop. 15 Thousand	79 Good	6.9 /20	$126,658	0
#18	ZIP 03810 Pop. 2.3 Thousand	78 Good	—	$143,102	0
#19	ZIP 03044 Pop. 4.8 Thousand	77 Good	6.1 /20	$125,774	0
#20	ZIP 03070 Pop. 6.1 Thousand	77 Good	6.0 /20	$151,296	0

Data updated March 2026. Sources: Census Bureau ACS 2023, USDA National Walkability Index 2021, County Business Patterns 2022.

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